/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

/*
 * This file is based on WME Lite.
 * http://dead-code.org/redir.php?target=wmelite
 * Copyright (c) 2011 Jan Nedoma
 */

#include "engines/wintermute/dcgf.h"
#include "engines/wintermute/Base/BFontStorage.h"
#include "engines/wintermute/Base/BGame.h"
#include "engines/wintermute/Base/BFont.h"
#include "engines/wintermute/PlatformSDL.h"
#include "common/str.h"

namespace WinterMute {

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

IMPLEMENT_PERSISTENT(CBFontStorage, true)

//////////////////////////////////////////////////////////////////////////
CBFontStorage::CBFontStorage(CBGame *inGame): CBBase(inGame) {
//	_fTLibrary = NULL;
	InitFreeType();
}


//////////////////////////////////////////////////////////////////////////
CBFontStorage::~CBFontStorage() {
	Cleanup(true);
}


//////////////////////////////////////////////////////////////////////////
void CBFontStorage::InitFreeType() {
#if 0
	FT_Error error = FT_Init_FreeType(&_fTLibrary);
	if (error) {
		Game->LOG(0, "Error initializing FreeType library.");
	}
#endif
}

//////////////////////////////////////////////////////////////////////////
HRESULT CBFontStorage::Cleanup(bool Warn) {
	int i;

	for (i = 0; i < _fonts.GetSize(); i++) {
		if (Warn) Game->LOG(0, "Removing orphan font '%s'", _fonts[i]->_filename);
		delete _fonts[i];
	}
	_fonts.RemoveAll();

#if 0
	if (_fTLibrary) FT_Done_FreeType(_fTLibrary);
#endif

	return S_OK;
}

//////////////////////////////////////////////////////////////////////////
HRESULT CBFontStorage::InitLoop() {
	for (int i = 0; i < _fonts.GetSize(); i++) {
		_fonts[i]->InitLoop();
	}
	return S_OK;
}

//////////////////////////////////////////////////////////////////////////
CBFont *CBFontStorage::AddFont(const char *Filename) {
	if (!Filename) return NULL;

	for (int i = 0; i < _fonts.GetSize(); i++) {
		if (scumm_stricmp(_fonts[i]->_filename, Filename) == 0) {
			_fonts[i]->_refCount++;
			return _fonts[i];
		}
	}

	/*
	CBFont* font = new CBFont(Game);
	if (!font) return NULL;

	if (FAILED(font->LoadFile(Filename))) {
	    delete font;
	    return NULL;
	}
	else {
	    font->_refCount = 1;
	    _fonts.Add(font);
	    return font;
	}
	*/
	CBFont *font = CBFont::CreateFromFile(Game, Filename);
	if (font) {
		font->_refCount = 1;
		_fonts.Add(font);
	}
	return font;
}


//////////////////////////////////////////////////////////////////////////
HRESULT CBFontStorage::RemoveFont(CBFont *Font) {
	if (!Font) return E_FAIL;

	for (int i = 0; i < _fonts.GetSize(); i++) {
		if (_fonts[i] == Font) {
			_fonts[i]->_refCount--;
			if (_fonts[i]->_refCount <= 0) {
				delete _fonts[i];
				_fonts.RemoveAt(i);
			}
			break;
		}
	}
	return S_OK;
}


//////////////////////////////////////////////////////////////////////////
HRESULT CBFontStorage::Persist(CBPersistMgr *persistMgr) {

	if (!persistMgr->_saving) Cleanup(false);

	persistMgr->transfer(TMEMBER(Game));
	_fonts.Persist(persistMgr);

	if (!persistMgr->_saving) InitFreeType();

	return S_OK;
}

} // end of namespace WinterMute